package com.oocl.o2o.client.dao;

import java.util.List;

import com.oocl.o2o.client.entity.Merchant;

public interface MerchantDao {
	
	public Merchant add(Merchant t);
	
	public Merchant update(Merchant t);
	
	public Merchant delete(String id);
	
	public Merchant findById(String id);
	
	public List<Merchant> findAll();
	
	public Merchant findByUsername(String username);
}
